Systems of Equations Practice
−2x + 3y = −10.5 3x + y = 5 Find the values of x and y.
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Example SAT / ACT Math Problem
In a random sample of 350 cars of a certain model, 8 have a manufacturing defect. At this rate, how many of 5,000 cars of this model will have a defect?
Practice Some Math!
A block in the shape of a right rectangular prism has dimensions 40 cm by 35 cm by 28 cm. The block has a density of 3.2 grams per cubic centimeter. What is the mass of the block in grams?
SAT & ACT Math Practice Problem
On Wednesday, Alan sent x text messages per hour for 6 hours, and Tyler sent y text messages per hour for 3 hours. Write an expression for the total number of messages sent by Alan and Tyler on Wednesday.
Practice Math for Standardized Tests!
What is the sum of (6+2i) + (−9+11i) ?
Try a math problem for the SAT + ACT:
h = 3m + 29.2 A doctor uses this model to estimate the height h of a boy, in inches, based on his age m, in years, between the ages of 2 and 6. According to the model, how many inches is a boy expected to grow each year?
SAT + ACT Math Practice with Variables
If y=px, where p is a constant, and y=32 when x=4, then what is the value of y when x=7?
Practice with lines
If line m passes through the origin and has a slope of 1/8, then what is the y-coordinate of line m when x=16?
Practice Unit Conversions!
How many milligrams are there in 4 decagrams?
SAT & ACT Math Practice
A restaurant offers salads for $7.25 each and drinks for $1.75 each. After selling a total of 198 salads and drinks in one day, the restaurant made $925.50. How many salads were sold that day?